Effect of Baseflow Separation on Uncertainty of Hydrological Modeling in the Xinanjiang Model
Table 5
Assessing indices of uncertainty under different thresholds for the baseflow efficiency index with threshold for the Nash efficiency index at 70%.
Threshold of (%)
*
0
40
50
60
70
Value
RI/%
Value
RI/%
Value
RI/%
Value
RI/%
Value
RI/%
Total flow
RIW
0.51
0.41
9.93
0.26
24.10
0.23
27.09
0.19
31.37
0.30
20.65
CR
0.697
0.663
4.88
0.601
13.77
0.562
19.37
0.505
27.55
0.582
16.50
NE (MQ0.5)
88.84
89.48
0.72
89.77
1.05
89.80
1.08
89.90
1.19
89.83
1.11
Baseflow
RIW
0.97
0.79
17.80
0.54
42.80
0.47
49.79
0.35
61.85
0.40
56.70
CR
0.713
0.695
2.52
0.630
11.64
0.595
16.55
0.525
26.37
0.606
15.01
(MQ0.5)
43.11
56.74
31.62
63.28
46.79
63.98
48.41
65.97
53.03
72.18
67.43
* is for scenario without threshold for the baseflow efficiency index; RI is the change percentage of RIW between the scenarios with and without threshold for the baseflow efficiency index.
